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BOSTON MARATHON 2025

David Borowik

Bib: 29993•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:54
Rank: #25458
Start → 5K
30:54 | 9:57/mi
10K· 6.21 mi
1:04:56
Rank: #26395 (-937)
5K → 10K
34:02 | 10:57/mi
15K· 9.32 mi
1:36:38
Rank: #26030 (+365)
10K → 15K
31:42 | 10:12/mi
20K· 12.43 mi
2:09:55
Rank: #25894 (+136)
15K → 20K
33:17 | 10:43/mi
Half· 13.11 mi
2:16:59
Rank: #25884 (+10)
20K → Half
7:04 | 10:21/mi
25K· 15.53 mi
2:47:45
Rank: #26196 (-312)
Half → 25K
30:46 | 12:41/mi
30K· 18.64 mi
3:35:05
Rank: #26835 (-639)
25K → 30K
47:20 | 15:14/mi
20M
3:52:19
Rank: #26791 (+44)
30K → 20M
17:14 | 12:41/mi
21M
4:04:51
Rank: #26692 (+99)
20M → 21M
12:32 | 12:32/mi
35K· 21.75 mi
4:14:57
Rank: #26745 (-53)
21M → 35K
10:06 | 13:30/mi
23M
4:31:17
Rank: #26724 (+21)
35K → 23M
16:20 | 13:03/mi
24M
4:42:52
Rank: #26670 (+54)
23M → 24M
11:35 | 11:35/mi
40K· 24.85 mi
4:52:47
Rank: #26614 (+56)
24M → 40K
9:55 | 11:35/mi
25.2M
4:56:47
Rank: #26584 (+30)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
5:06:25
Rank: #26473 (+111)
25.2M → Finish
9:38 | 9:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:59
Pace10:27 /mi
2nd Half
Distance13.11 mi
Time2:49:26
Pace12:55 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0430:549:5730:54
9:57
-
10K
6.21 mi12:31:061:04:5610:2734:02
10:57
+1:00
15K
9.32 mi13:02:481:36:3810:2231:42
10:12
-0:45
20K
12.43 mi13:36:052:09:5510:2733:17
10:43
+0:31
Half
13.11 mi13:43:092:16:5910:277:04
10:21
-0:22
25K
15.53 mi14:13:552:47:4510:4830:46
12:41
+2:20
30K
18.64 mi15:01:153:35:0511:3247:20
15:14
+2:33
20M
20.00 mi15:18:293:52:1911:3717:14
12:41
-2:33
21M
21.00 mi15:31:014:04:5111:4012:32
12:32
-0:09
35K
21.75 mi15:41:074:14:5711:4310:06
13:30
+0:58
23M
23.00 mi15:57:274:31:1711:4816:20
13:03
-0:27
24M
24.00 mi16:09:024:42:5211:4711:35
11:35
-1:28
40K
24.85 mi16:18:574:52:4711:479:55
11:35
0:00
25.2M
25.20 mi16:22:574:56:4711:474:00
11:36
+0:01
Finish
26.22 mi16:32:355:06:2511:429:38
9:27
-2:09

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:27 /mi

Average Pace

11:42 /mi

Slowest Pace

15:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:35

37% of race

Time at Steady Pace

59:32

19% of race

Time at Slower Pace

2:14:18

44% of race

Average Pace: 11:41 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:57:0430:549:5730:54
9:57
#25458
10K
6.21 mi12:31:061:04:5610:2734:02
10:57
#26395
15K
9.32 mi13:02:481:36:3810:2231:42
10:12
#26030
20K
12.43 mi13:36:052:09:5510:2733:17
10:43
#25894
Half
13.11 mi13:43:092:16:5910:277:04
10:21
#25884
25K
15.53 mi14:13:552:47:4510:4830:46
12:41
#26196
30K
18.64 mi15:01:153:35:0511:3247:20
15:14
#26835
20M
20.00 mi15:18:293:52:1911:3717:14
12:41
#26791
21M
21.00 mi15:31:014:04:5111:4012:32
12:32
#26692
35K
21.75 mi15:41:074:14:5711:4310:06
13:30
#26745
23M
23.00 mi15:57:274:31:1711:4816:20
13:03
#26724
24M
24.00 mi16:09:024:42:5211:4711:35
11:35
#26670
40K
24.85 mi16:18:574:52:4711:479:55
11:35
#26614
25.2M
25.20 mi16:22:574:56:4711:474:00
11:36
#26584
Finish
26.22 mi16:32:355:06:2511:429:38
9:27
#26473
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi25458149401494025424(Top 90%)14894(Top 92%)14894(Top 663%)
10K6.21 mi3.10 mi26395-93715331-39115331-39127006(Top 95%)15561(Top 97%)15561(Top 693%)
15K9.32 mi3.11 mi26030+36515172+15915172+15925424(Top 90%)14894(Top 92%)14894(Top 663%)
20K12.43 mi3.11 mi25894+13615101+7115101+7125568(Top 90%)14930(Top 93%)14930(Top 664%)
Half13.11 mi0.68 mi25884+1015093+815093+825563(Top 90%)14920(Top 93%)14920(Top 664%)
25K15.53 mi2.42 mi26196-31215238-14515238-14527075(Top 95%)15532(Top 96%)15532(Top 691%)
30K18.64 mi3.11 mi26835-63915465-22715465-22728120(Top 99%)15945(Top 99%)15945(Top 710%)
20M20.00 mi1.36 mi26791+4415439+2615439+2626121(Top 92%)14984(Top 93%)14984(Top 667%)
21M21.00 mi1.00 mi26692+9915391+4815391+4824441(Top 86%)14121(Top 88%)14121(Top 628%)
35K21.75 mi0.75 mi26745-5315403-1215403-1227369(Top 96%)15518(Top 96%)15518(Top 691%)
23M23.00 mi1.25 mi26724+2115383+2015383+2026426(Top 93%)15050(Top 93%)15050(Top 670%)
24M24.00 mi1.00 mi26670+5415348+3515348+3525047(Top 88%)14331(Top 89%)14331(Top 638%)
40K24.85 mi0.85 mi26614+5615319+2915319+2924280(Top 85%)13909(Top 86%)13909(Top 619%)
25.2M25.20 mi0.35 mi26584+3015305+1415305+1422311(Top 79%)12961(Top 80%)12961(Top 577%)
Finish26.22 mi1.02 mi26473+11115255+5015255+5021017(Top 74%)12305(Top 76%)12305(Top 548%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25424

Males

14894

M40-44

14894

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

27006

Males

15561

M40-44

15561

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25424

Males

14894

M40-44

14894

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25568

Males

14930

M40-44

14930

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25563

Males

14920

M40-44

14920

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

27075

Males

15532

M40-44

15532

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

28120

Males

15945

M40-44

15945

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26121

Males

14984

M40-44

14984

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24441

Males

14121

M40-44

14121

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27369

Males

15518

M40-44

15518

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

26426

Males

15050

M40-44

15050

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

25047

Males

14331

M40-44

14331

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24280

Males

13909

M40-44

13909

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22311

Males

12961

M40-44

12961

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

21017

Males

12305

M40-44

12305

Passing Analysis

Category:
Athletes Passed
1110
Passed By
2125
Net Change
-1015
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25458
5K → 10K23960-937#25458#26395
10K → 15K3749+365#26395#26030
15K → 20K19761+136#26030#25894
20K → Half2212+10#25894#25884
Half → 25K11323-312#25884#26196
25K → 30K11650-639#26196#26835
30K → 20M5511+44#26835#26791
20M → 21M1045+99#26791#26692
21M → 35K1063-53#26692#26745
35K → 23M4726+21#26745#26724
23M → 24M584+54#26724#26670
24M → 40K560+56#26670#26614
40K → 25.2M300+30#26614#26584
25.2M → Finish1121+111#26584#26473
TOTALS11102125-1015
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing